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Howlett" , Vlastimil Babka , Jann Horn , Pedro Falcato Subject: [PATCH v3 3/3] amdgpu: don't report an error if the process was killed Message-ID: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: Kq4ruDQVBWLM6DrDIVkd8YRzPcny2mpPYhrMyksGPjA_1767561478 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII X-Rspamd-Server: rspam02 X-Stat-Signature: 6ftjgqfdsbssxonqbxixhrmuo9b38ehe X-Rspam-User: X-Rspamd-Queue-Id: 0BFC24000D X-HE-Tag: 1767561485-140977 X-HE-Meta: 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 Ao8RQ9Rh opFB+jN+RlTS0hWYrl4K1o1aVqYwFrNRwfGHBMewEA7VlkUQfDWqzEQl3L7QXT+Re6ywAotc7XGDVs4RKKlZntt3sLey/hkp+/M5rhXYMnG+xmJISj8aQkg6RXEop+9nWZz05Oc5pW/w4Kt8KSWDJAw/9SXrrRCxl59AtTks4xX/sNZmI8lqYZvgA9D0/v9M1s0ZxGlZ+zFzfK2ym8aWXvC1OtEn+9/2cOsTTIIbzYHR6ITlckOh43vOzU+eJDEmOc9N4R0+CI8yl9KtpTBMiT1Gf49FK0v4wrS9taBED2i/+wTYsFBjw/A7EF8pyLj3OoKCR41o14sjDFaxYNwb1uZAqmC7fun4D/oCVFvrxePw6JKu1K0bPKucSiC8NcY9JUr3u0cSbYrL26wUHuE431RD2N4zLaoqyS/YGG4VGEXVEHww= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: If the process was killed by a fatal signal, amdgpu_hmm_register could return -EINTR (the -EINTR comes from mm_take_all_locks). Don't log the error in this case, because no error happened. Signed-off-by: Mikulas Patocka --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) Index: mm/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c =================================================================== --- mm.orig/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c 2026-01-04 21:19:14.000000000 +0100 +++ mm/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c 2026-01-04 21:19:14.000000000 +0100 @@ -1070,8 +1070,13 @@ static int init_user_pages(struct kgd_me ret = amdgpu_hmm_register(bo, user_addr); if (ret) { - pr_err("%s: Failed to register MMU notifier: %d\n", - __func__, ret); + /* + * If we got EINTR because the process was killed, don't report + * it, because no error happened. + */ + if (!(fatal_signal_pending(current) && ret == -EINTR)) + pr_err("%s: Failed to register MMU notifier: %d\n", + __func__, ret); goto out; }